نتایج جستجو برای: fuzzy linear controlled system

تعداد نتایج: 2942332  

2009
N. Parandin M. A. Fariborzi Araghi

in this paper, we propose a numerical method for the approximate solution of fuzzy Fredholm functional integral equations of the second kind by using an iterative interpolation. For this purpose, we convert the linear fuzzy Fredholm integral equations to a crisp linear system of integral equations. The proposed method is illustrated by some fuzzy integral equations in numerical examples. Keywor...

In this paper, a new T-S fuzzy hyperbolic delay model for a class of nonlinear systems with time-varying delay, is presented to address the problems of stability analysis and feedback control. Fuzzy controller is designed based on the parallel distributed compensation (PDC), and with a new Lyapunov function, delay dependent asymptotic stability conditions of the closed-loop system are derived v...

Journal: :international journal of industrial mathematics 0
sh. nasseri department of mathematics, university of mazandaran, babolsar ,iran. e. behmanesh department of mathematics, university of mazandaran, babolsar ,iran. f. taleshian department of mathematics, university of mazandaran, babolsar ,iran. m. abdolalipoor department of mathematics, university of tabriz, tabriz , iran. n. a. taghinezhad department of mathematics, university of mazandaran, babolsar ,iran.

fuzzy linear programming problem occur in many elds such as mathematical modeling, control theory and management sciences, etc. in this paper we focus on a kind of linear programming with fuzzy numbers and variables namely fully fuzzy linear programming (fflp) problem, in which the constraints are in inequality forms. then a new method is proposed to ne the fuzzy solution for solving (fflp). ...

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The purpose of this paper is to examine the Persian Gulf system of cybernetics and the possibility of Iran's role and influence on the future of security arrangements in the Persian Gulf region. In this regard, the author describes the cybernetic theory in regional studies as a conceptual framework of the research to implement the hegemonic security system of the Persian Gulf. Then, by showing ...

Journal: :Fuzzy Sets and Systems 2017
Yongming Li

Model checking of linear-time properties based on possibility measures was studied in previous work (Y. Li and L. Li, Model checking of linear-time properties based on possibility measure, IEEE Transactions on Fuzzy Systems, 21(5)(2013), 842-854). However, the linear-time properties considered in the previous work was classical and qualitative, possibility information of the systems was not con...

Journal: :iranian journal of fuzzy systems 2012
mojtaba eftekhari mahdi eftekhari maryam majidi hossein nezamabadi pour

in this study, a multi-objective genetic algorithm (moga) is utilized to extract interpretable and compact fuzzy rule bases for modeling nonlinear multi-input multi-output (mimo) systems. in the process of non- linear system identi cation, structure selection, parameter estimation, model performance and model validation are important objectives. furthermore, se- curing low-level and high-level ...

Fuzzy incidence graphs can be used as models for nondeterministic interconnection networks having extra node-edgerelationships. For example, ramps in a highway system may be modeled as a fuzzy incidence graph so that unexpectedflow between cities and highways can be effectively studied and controlled. Like node and edge connectivity in graphs,node connectivity and arc connectivity in fuzzy inci...

2014
Reza Kargar Tofigh Allahviranloo Mohsen Rostami-Malkhalifeh Gholam Reza Jahanshaloo

This paper proposes a new method for solving fuzzy system of linear equations with crisp coefficients matrix and fuzzy or interval right hand side. Some conditions for the existence of a fuzzy or interval solution of m × n linear system are derived and also a practical algorithm is introduced in detail. The method is based on linear programming problem. Finally the applicability of the proposed...

Journal: :Eng. Appl. of AI 2010
Ozkan Celik Seniz Ertugrul

Modeling human operator’s behavior as a controller in a closed-loop control system recently finds applications in areas such as training of inexperienced operators by expert operator’s model or developing warning systems for drivers by observing the driver model parameter variations. In this research, first, an experimental setup has been developed for collecting data from human operators as th...

2008
M. Matinfar S. H. Nasseri M. Sohrabi

Linear systems have important applications to many branches of science and engineering. In many applications, at least some of the parameters of the system are represented by fuzzy rather than crisp numbers. So it is immensely important to develop numerical procedures that would appropriately treat general fuzzy linear systems and solve them. In this paper, householder decomposition method for ...

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